33869172 has 24 divisors (see below), whose sum is σ = 83188000. Its totient is φ = 10695456.

The previous prime is 33869167. The next prime is 33869177. The reversal of 33869172 is 27196833.

It is an interprime number because it is at equal distance from previous prime (33869167) and next prime (33869177).

It is a super-2 number, since 2×33869172² = 2294241623931168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33869172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33869177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74047 + ... + 74502.

Almost surely, 2^33869172 is an apocalyptic number.

It is an amenable number.

33869172 is an abundant number, since it is smaller than the sum of its proper divisors (49318828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33869172 is a wasteful number, since it uses less digits than its factorization.

33869172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148575 (or 148573 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 33869172 is about 5819.7226738050. The cubic root of 33869172 is about 323.5451245235.

The spelling of 33869172 in words is "thirty-three million, eight hundred sixty-nine thousand, one hundred seventy-two".